legend + 25 oc rf amplifier model QBS-227 available as: QBS-227, housing (e52-19659) specifications maximum ratings ambient operating temperature ................ -20 oc to +60 oc storage temperature .............................. -55 oc to + 125 oc case temperature ................................................. + 125 oc dc voltage ......................................................... + 30 volts continuous rf input power ................................. + 13 dbm short term rf input power ...... 50 milliwatts (1 minute max.) maximum peak power .................... 0.5 watt (3 sec max.) features high gain: 42.0 db typical high power: +39 dbm typical operating temp. - 20 oc to + 60 oc environmental screening available characteristic typical min/max ta= 25 o c ta = -20 o c to +60 o c frequency 860 - 910 mhz 860 - 910 mhz power vdc 24 24 ma 3500 3600 max. vswr in 2.0:1 2.0:1 max. out 2.0:1 2.0:1 max. reverse isolation (db) -60 -60 min. gain (db) 42.0 1.0 gain flatness 1.5 output intercept point 3rd order +49 +48 min. 2nd order gain vs. temperature +2.0/ -2.0 max. 1 db compression (dbm) +39 +38 min. typical performance data 03/11/05 note: 1. specifications are guaranteed when tested in a 50 ohm system. specifica- tions indicated as typical are not guaranteed. linear s-parameters data freq. ? ? s11? ? ? ? s21? ? ? ? s12? ? ? ? s22? ? mhz ang db ang db ang db ang db 860 870 880 890 900 910 -29.7 -29.3 -27.5 -26.0 -25.8 -25.4 40.8 55.6 59.1 50.3 46.9 28.5 41.2 41.0 41.1 41.3 41.3 41.2 -123.0 -148.4 -173.0 160.2 132.3 104.4 -56.9 -59.1 -53.3 -68.1 -54.3 -71.1 144.5 26.9 -9.1 93.5 27.7 -32.2 -28.1 -25.6 -27.2 -20.5 -19.9 -21.0 -145.3 124.6 131.0 89.4 111.9 93.4 ================================================================== 38 41 40 42 39 44 43 860 870 880 890 900 910 -80 -50 -60 -40 -70 -20 -30 38 41 40 42 39 44 43 1.0 1.3 1.2 1.4 1.1 1.6 1.5 50 53 52 54 51 56 55 gain (db) reverse isolation (db) 1 db comp. (dbm) input/output vswr +25 oc 3rd order intermodulation distortion (dbm ) input output 860 870 880 890 900 910 860 870 880 890 900 910 860 870 880 890 900 910 860 870 880 890 900 910 spectrum microwave 2144 franklin drive n.e. palm bay, florida 32905 ph (888) 553-7531 fax (888) 553-7532 spectrum microwave (europe) 2707 black lake place philadelphia, pa. 19154 ph (215) 464-4000 fax (215) 464-4001 www.spectrummicrowave.com
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